A tiny electronic sensor that can be swallowed like a pill may soon provide one of the most accurate ways to measure body temperature. Engineers at the Massachusetts Institute of Technology (MIT) have developed a miniature device that continuously monitors temperature from inside the digestive tract, potentially helping doctors detect infections earlier and better manage […]

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The floating device tests water, then disinfects it without batteries or chemicals.

Researchers in Germany have developed a new gas-sensing technology that could make it much easier and less expensive to detect tiny amounts of gases in the environment, industrial facilities, and energy networks. The breakthrough builds on a scientific phenomenon known as the photoacoustic effect, which was first discovered more than 150 years ago. When certain […]

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